There are 49 Origami Designs in CDO convention 1989:

Design	Designer	Page	Details	Photo
Show only designs with photos
Devil mask Imaginary beings - Demons	Carlo Annona	1	Square
Module A for small and large stellated dodecaedron Geometric and other shapes	Silvana Betti Mamino	4	Rectangle Multiple units
Module for Deltahedron Geometric and other shapes	Silvana Betti Mamino	5	Triangle Multiple units
Module for Pyramid Deltahedron Geometric and other shapes	Silvana Betti Mamino	6	Square Multiple units
Rectangular module Geometric and other shapes	Silvana Betti Mamino	8	Rectangle Multiple units
Hummingbird Birds - Apodiformes - Hummingbirds	Roberto Brunetti	9	Square
Sled Vehicles	Antonio Coiana	10	Square
Fox head Mammals - Canidae - Coyotes, Foxes and Wolves	Antonio Coiana	11	Square
Snake Reptiles - Snakes	Paola Galtineri	12	Rectangle - Long strip
Star module Geometric and other shapes	Alfredo Giunta	14	Square 4 units
Wind rose Geometric and other shapes	Luigi Leonardi	16	Square
Christmas ornaments Geometric and other shapes	Luigi Leonardi	20	Square With variations
Frame Objects - Frames	Luigi Leonardi	27	Rectangle
Dragon Imaginary beings - Dragons	Marco Mayer	28	Square
Crane letter Letters and Envelopes	Luciano Petino	30	Rectangle - A size
Crane bookmark Bookmarks	Luciano Petino	32	Square
Heart bookmark Bookmarks	Luciano Petino	33	Square
Butterfly bookmark Bookmarks	Luciano Petino	34	Square
Butterfly bookmark 2 Bookmarks	Luciano Petino	35	Square
Fly bookmark Bookmarks	Luciano Petino	36	Square
Cinderella Media and Culture	Alberto Vernizzi	39	Square
Person People	Eduardo Clemente	40	Square
Rat Mammals - Rodentia - Rats, Mice and Rodents	Eduardo Clemente	42	Square
Airplane Toys - Planes	Eduardo Clemente	44	Rectangle
Rosetta star Geometric and other shapes	Peterpaul Forcher	49	Hexagon
Bunny Mammals - Lagomorpha - Rabbits and Bunnies	Peterpaul Forcher	50	Rectangle - 1X2
Squirrel Mammals - Rodentia - Squirrels	Peterpaul Forcher	52	Triangle
Vulture Birds - Falconiformes - Birds of prey	Peterpaul Forcher	54	Square
CDO logo Symbols	Humiaki Huzita	57	Rectangle - 1X3
Pajaritas wheel Toys	Manuel and Juan Gimeno	58	Rectangle - Long strip
Pentagon star Geometric and other shapes	David Mitchell	60	Square 5 units
Tuncated ditetrahedron module Geometric and other shapes	Oriol Bach	61	Square
Box Boxes and Containers	Vicente Palacios	62	Rectangle - 1X2
Duck Birds - Anseriformes - Ducks and Geese	Vicente Palacios	63	Square
Star Geometric and other shapes	Vicente Palacios	64	Square
Borealis Geometric and other shapes	David Petty	65	Square 30 units
Devil Imaginary beings - Demons	David Petty	66	Square Also in Making Faces - BOS booklet 48 by David Petty	Folded by Rui Roda
Weasel Mammals - Mustelids - Otters and Weasels	Gabriel Pons	68	Square
Brontosaurus Dinosaurs and Prehistoric Animals - Jurassic - Jurassic Dinosaurs	Samuel L. Randlett	70	Square Also in Origami Adventures: Dinosaurs by Nick Robinson Also in Origami USA Convention 1983 Also in The Art of Origami by Samuel L. Randlett Also in The Best of Annual Collections 1981-1995 Also in The Origami World of Neal Elias by Dave Venables and Marc Cooman	Folded by Ira Fine
Wind surfer Vehicles - Boats	Nick Robinson	73	Square Also in BOS Convention 1989 Spring Also in Origami USA Convention 1989	Folded by Wilson Yeung
Seal Mammals - Pinnipedia - Seals and Sea Lions	Nick Robinson	74	Square
Penta flower Geometric and other shapes	Nick Robinson	75	Square 5 units
Cigarette lighter Objects - Various	Nick Robinson	76	Rectangle Also in Origami USA Convention 1989 Also in The Best of Annual Collections 1981-1995 Also in BOS Convention 2012 Spring Also in Das Diagramm 18	Folded by Gilad Aharoni
Swan Birds - Anseriformes - Swans	Lore Schirokauer	80	Square
8 pointed star Geometric and other shapes	Philip Shen	81	Square Also in MFPP 1991 Convention Also in Origami USA Convention 1988 Also in BOS Magazine 123 Also in The Best of Annual Collections 1981-1995 Also in The Paper Magazine 88 Also in NOA Magazine 172 and in other sources...	Folded by Gabriel Vong
10 pointed star Geometric and other shapes	Philip Shen	84	Pentagon Also in BOS Magazine 123 Also in MFPP 1991 Convention Also in Origami USA Convention 1988 Also in Philip Shen: More Geometric Paperfolds - BOS Booklet 70 by Boaz Shuval Also in The Paper Magazine 88	Folded by Gabriel Vong
Cross Geometric and other shapes	Philip Shen	86	Square Also in Origami USA Convention 1988 Also in MFPP 1991 Convention 2D or 3D	Folded by Wilson Yeung
Bowl Boxes and Containers	Philip Shen	89	Square
Box and lid Boxes and Containers	Philip Shen	90	Square 2 units